AC power adapter



FIG. 1 is a front view of an AC power adapter showing our new design, the rear view being a mirror image of the front view;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left side view thereof; and,

FIG. 5 is a right side view thereof. 

The ornamental design for an AC power adapter, as shown and described. 